Table 1 Proportional divergences of the ITS1 gene among noctuid genera and Spodoptera species.

From: Rapid identification of the invasive fall armyworm Spodoptera frugiperda (Lepidoptera, Noctuidae) using species-specific primers in multiplex PCR

Genus

Helicoverpa

Heliothis

Spodoptera

Mythimna

Trichoplusia

S. frugiperda

S. litura

S. exigua

Species

Helicoverpa

–

    

1.2

16.2

19.3

Sf

Heliothis

20.4

–

    

0

18.1

Sl

Spodoptera

28.1

29.1

–

    

0.9

Se

Mythimna

36.4

36.0

37.7

–

     

Trichoplusia

33.8

32.0

38.9

44.5

–

    
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